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DataSourceModule.java
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DataSourceModule.java
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/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.graphdb.factory.module;
import java.util.function.Supplier;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.kernel.NeoStoreDataSource;
import org.neo4j.kernel.api.InwardKernel;
import org.neo4j.kernel.impl.coreapi.CoreAPIAvailabilityGuard;
import org.neo4j.kernel.impl.factory.GraphDatabaseFacade;
import org.neo4j.kernel.impl.proc.Procedures;
import org.neo4j.storageengine.api.StoreId;
public class DataSourceModule
{
public final NeoStoreDataSource neoStoreDataSource;
public final Supplier<InwardKernel> kernelAPI;
public final Supplier<StoreId> storeId;
public final CoreAPIAvailabilityGuard coreAPIAvailabilityGuard;
public DataSourceModule( String databaseName, PlatformModule platformModule, EditionModule editionModule, Procedures procedures,
GraphDatabaseFacade graphDatabaseFacade )
{
platformModule.diagnosticsManager.prependProvider( platformModule.config );
ModularDatabaseCreationContext context =
new ModularDatabaseCreationContext( databaseName, platformModule, editionModule, procedures, graphDatabaseFacade );
neoStoreDataSource = new NeoStoreDataSource( context );
this.coreAPIAvailabilityGuard = context.getCoreAPIAvailabilityGuard();
this.storeId = neoStoreDataSource::getStoreId;
this.kernelAPI = neoStoreDataSource::getKernel;
ProcedureGDSFactory gdsFactory =
new ProcedureGDSFactory( platformModule, this, coreAPIAvailabilityGuard, context.getTokenHolders(), editionModule.threadToTransactionBridge );
procedures.registerComponent( GraphDatabaseService.class, gdsFactory::apply, true );
}
public CoreAPIAvailabilityGuard getCoreAPIAvailabilityGuard()
{
return coreAPIAvailabilityGuard;
}
}